EFEITO IN VITRO E IN VIVO DE EXTRATOS DE Eugenia uniflora EM NEMATÓDEOS GASTRINTESTINAIS DE OVINOS

Castro, Luciana Laitano Dias de; Sprenger, Lew Kan; Madrid, Isabel Martins; Oliveira, Fernando Caetano de; Oliveira, Plíno Aguiar de; Castro, Leonardo Mortagua de; Berne, Maria Elisabeth Aires

doi:10.1590/1089-6891v20e-49037

Cited by 4 publications

(3 citation statements)

References 31 publications

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“…With the use of biological control, it becomes possible to reduce or ration the use of anthelmintics, which according to Castro [ 55 ], have been used irrationally over decades, generating an increasing resistance of parasites to the bases of chemical products available on the market. With the scarcity of bases due to the resistance generated over time, the control of helminths becomes increasingly difficult.…”

Section: Resultsmentioning

confidence: 99%

Efficiency of Experimental Formulation Containing Duddingtonia flagrans and Pochonia chlamydosporia against Moniezia expansa Eggs

Ribeiro,

de Almeida Moura,

e Silva

et al. 2023

Pathogens

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This study aimed to evaluate the effectiveness of the experimental formulation containing chlamydospores of Duddingtonia flagrans and Pochonia chlamydosporia fungi, against Moniezia expansa. Two experiments were carried out. The first experiment evaluated the in vitro efficacy using 1 g of the experimental formulation (V1) added to 100 M. expansa eggs and the control (V2) (without the fungal formulation). Intact eggs or eggs with alterations were counted in order to evaluate their effectiveness. The second experiment evaluated the action of the fungal formulation on M. expansa eggs after passing through the gastrointestinal tract of goats. Three groups were identified as B1, B2, and B3, which received 1.0, 1.5 g of experimental fungal formulation, and placebo, respectively. In experiment 1, all the eggs in V1 were subjected to the predatory action of fungi, while in V2, the eggs remained intact. In experiment 2, the reduction of eggs in groups B1 and B2 were 49% and 57% 24 h after ingestion, 60% and 63% 48 h after, and 48% and 58% 72 h after. The predatory capacity against M. expansa eggs shown in the tests demonstrated that experimental fungal formulation has the potential to be used on integrated helminth control programs.

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Section: Resultsmentioning

confidence: 99%

Efficiency of Experimental Formulation Containing Duddingtonia flagrans and Pochonia chlamydosporia against Moniezia expansa Eggs

Ribeiro,

de Almeida Moura,

e Silva

et al. 2023

Pathogens

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“…Water is one of the main via to transference of resistance mechanisms [23]. Therefore, ARGs can be identified both in aquatic systems and their sediments, but DNA abundance is larger in sediments [24].…”

Section: Introductionmentioning

confidence: 99%

Bacterial Diversity in Estuarine Sediments in Brazilian Coastal: A Focus in Bacterial Resistance

dos Santos,

de Santana,

Cruz

et al. 2023

Preprint

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Estuaries are final depositional environments of sediments transported along rivers. Therefore, they give a generalized dimension about the human effluents released in water systems. The development of molecular techniques allowed the study of environmental DNA (eDNA), which can provide a real dimension about the functioning of the microbial communities of those environments and the impacts of human activities. In this context, antimicrobial resistance is an emerging problem, caused by irresponsible use of antimicrobial drugs in human and animal health, which has contributed to a selection of bacteria resistant to these drugs. The objective of this study is to identify the main phyla of bacteria and to detect the presence of Antibiotic Resistance Genes (ARGs) in different mangroves environments. We observed significant differences between ARGs quantity in each point. Samples collected on Guaibim-2 and Una had bigger diversity of ARGs, while Guaibim-1 had less AGRs diversity. The predominant phyla in all of the samples was Proteobacteria, Actinobacteria and Firmecutes. We detectedEnterococcus faecium, Acinetobacter sp, Klebsiella pneumoniae, Enterococcus faeciumandEnterobacter cloacae,listed bacteria for priority surveillance for World Health Organization on points Una and Guaibim-2.

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“…Parasitism caused by GIN species is primarily due to the family Trichostrongylidae (3,4) , and results in losses to the national economy (5) . There are several proposals for alternatives to control GIN, such as the selection of resistant breeds (6) , phytotherapy and biological therapy (7,8,9) , nematophagous fungi (10,11) , vaccines against nematodes (12) , and tannin-containing fodder (13) . Isotherapy was initially used in the 1930s by François Lamson, a French homeopath physician, for the treatment of intestinal parasitoses.…”

Section: Introductionmentioning

confidence: 99%

Clinical effectiveness of autohemotherapy as an adjuvant in the control of gastrointestinal nematodes in naturally infected sheep

Holsback

Silva²,

Porto

et al. 2021

Ciênc. anim. bras.

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This study aimed to evaluate the effects of autohemotherapy as an adjuvant in the control of gastrointestinal nematodes in sheep. Four experimental groups were formed: G1, 10 animals receiving autologous venous blood; G2, 10 animals receiving autologous venous blood and vermifuge containing levamisole; G3, 10 animals receiving only vermifuge containing levamisole; and G4, 10 animals as the control group receiving no treatment. We performed fecal egg count (eggs per gram, EPG) of strongyles, larval culture, hemogram, leukogram, and serum protein dosage prior to the start of treatment (D0), and on days 14 (D14) and 42 (D42). There was a significant decrease in the EPG of the groups receiving levamisole (G2 and G3) from D14 to the end of the experimental period. At the end of the evaluations, the mean EPG of G2 and G3 was significantly lower than that of G1 and G4. The most common nematode genus was Haemonchus (88%), and the least common was Trichostrongylus (1%). The Fecal Egg Count Reduction Test (FECRT) of G2 and G3 on D14 were 98.1% and 97.9%, respectively, however, in G1, the FECRT was zero on the two days when evaluation took place. G1 and G2 showed a significant increase in monocyte counts on D14 and D42. There was a significant increase in hematocrit and hemoglobin values in G2 and G3, however, a significant increase in the absolute value of red blood cells was observed only in G2. Two doses of autohemotherapy at 21-day intervals, administered alone or as an adjuvant to levamisole, is ineffective in controlling gastrointestinal nematodes in naturally infected sheep.

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EFEITO IN VITRO E IN VIVO DE EXTRATOS DE Eugenia uniflora EM NEMATÓDEOS GASTRINTESTINAIS DE OVINOS

Cited by 4 publications

References 31 publications

Efficiency of Experimental Formulation Containing Duddingtonia flagrans and Pochonia chlamydosporia against Moniezia expansa Eggs

Efficiency of Experimental Formulation Containing Duddingtonia flagrans and Pochonia chlamydosporia against Moniezia expansa Eggs

Bacterial Diversity in Estuarine Sediments in Brazilian Coastal: A Focus in Bacterial Resistance

Clinical effectiveness of autohemotherapy as an adjuvant in the control of gastrointestinal nematodes in naturally infected sheep

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